11002681 has 2 divisors, whose sum is σ = 11002682. Its totient is φ = 11002680.

The previous prime is 11002679. The next prime is 11002699. The reversal of 11002681 is 18620011.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10989225 + 13456 = 3315^2 + 116^2 .

It is an emirp because it is prime and its reverse (18620011) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11002681 - 2¹ = 11002679 is a prime.

It is a super-2 number, since 2×11002681² = 242117978375522, which contains 22 as substring.

Together with 11002679, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (11002661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5501340 + 5501341.

It is an arithmetic number, because the mean of its divisors is an integer number (5501341).

Almost surely, 2^11002681 is an apocalyptic number.

It is an amenable number.

11002681 is a deficient number, since it is larger than the sum of its proper divisors (1).

11002681 is an equidigital number, since it uses as much as digits as its factorization.

11002681 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96, while the sum is 19.

The square root of 11002681 is about 3317.0289416886. The cubic root of 11002681 is about 222.4160757426.

Adding to 11002681 its reverse (18620011), we get a palindrome (29622692).

The spelling of 11002681 in words is "eleven million, two thousand, six hundred eighty-one".